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Rotational order-disorder structure of fluorescent protein FP480.


ABSTRACT: In the last decade, advances in instrumentation and software development have made crystallography a powerful tool in structural biology. Using this method, structural information can now be acquired from pathological crystals that would have been abandoned in earlier times. In this paper, the order-disorder (OD) structure of fluorescent protein FP480 is discussed. The structure is composed of tetramers with 222 symmetry incorporated into the lattice in two different ways, namely rotated 90 degrees with respect to each other around the crystal c axis, with tetramer axes coincident with crystallographic twofold axes. The random distribution of alternatively oriented tetramers in the crystal creates a rotational OD structure with statistically averaged I422 symmetry, although the presence of very weak and diffuse additional reflections suggests that the randomness is only approximate.

SUBMITTER: Pletnev S 

PROVIDER: S-EPMC2733879 | biostudies-literature | 2009 Sep

REPOSITORIES: biostudies-literature

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Rotational order-disorder structure of fluorescent protein FP480.

Pletnev Sergei S   Morozova Kateryna S KS   Verkhusha Vladislav V VV   Dauter Zbigniew Z  

Acta crystallographica. Section D, Biological crystallography 20090806 Pt 9


In the last decade, advances in instrumentation and software development have made crystallography a powerful tool in structural biology. Using this method, structural information can now be acquired from pathological crystals that would have been abandoned in earlier times. In this paper, the order-disorder (OD) structure of fluorescent protein FP480 is discussed. The structure is composed of tetramers with 222 symmetry incorporated into the lattice in two different ways, namely rotated 90 degr  ...[more]

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